The human population is approximately ________
A) 1.5 billion B) 6.9 million C) 1.5 million D) 7 billion E) 10 billion
D
You might also like to view...
Which statement about topsoil is correct?
A. Topsoil is a renewable resource but, since the renewal process is very slow, topsoil is easily depleted by human actions. B. Topsoil is a nonrenewable resource because the renewal process takes several million years. C. Topsoil is a renewable resource but, since the renewal process is very fast, it is rarely depleted by human actions. D. Topsoil is composed mainly of immature soils with some young soils.
Which of the following materials has high porosity and high permeability?
A. compacted clay B. unfractured granite C. well-sorted gravel D. uncompacted clay E. poorly sorted sand, silt, and clay
Agricultural sustainability depends upon an understanding and proper management of which of the following cornerstones of both ecosystem and food production?
A) Irrigation systems B) Agricultural soils C) The generation of new plant hybrids using genetic engineering D) The agricultural technology necessary to plow, plant, and harvest
Buses can get caught in traffic and add to noise and air pollution.?
Answer the following statement true (T) or false (F)